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4
THERMOSTAT QUICK REFERENCE
Before you begin programming your thermostat, you should be
familiar with its features and with the display and the location
and operation of the thermostat buttons and switches (see
fig. 3). Your thermostat consists of two parts: the thermostat
cover and the base. To remove the cover, pull it straight out
from the base. To replace the cover, line up the cover with the
base and press until the cover snaps onto the base.
The Thermostat Buttons and Switches
1
Raises temperature setting.
2
Lowers temperature setting.
3
TIME button.
4
SYSTEM switch (COOL, OFF, HEAT, EMER).
5
PRGM (program) button.
6
FAN switch (ON, AUTO).
7
RUN/HOLD (program) button.
The Display
8
Indicates days of the week.
9
Indicates setpoint temperature. This is blank when system
switch is in the OFF position. Setpoint temperature is
displayed (flashing) if the thermostat is in lockout mode to
prevent the compressor from cycling too quickly.
10
“AUX” indicates auxiliary stage is operating.
11
“Save” indicates the Cool Savings feature is enabled in
the configuration menu. “Save” (flashing) indicates Cool
Savings feature is active.
12
Flame icon ( ) is displayed when the SYSTEM switch is
in the HEAT position. Flame icon ( ) is displayed flashing
when thermostat is calling for heat. Snowflake icon (
) is displayed (non-flashing) when the SYSTEM switch is
in the COOL position. Snowflake icon ( ) is displayed
(flashing) if the thermostat is calling for cool.
13
Displays current temperature.
14
“Service” indicates a diagnostic fault in the heating/cooling
system. It does not indicate a fault in the thermostat.
15
“EMER” is displayed flashing when the system switch is
in EMER position, bypassing the Heat Pump.
16
“Change Filter” is displayed when the system has run for
the programmed filter time period as a reminder to change
or clean your air filter.
17
“ ” indicates power level of batteries. “Change ”
indicates batteries should be replaced.
18
Indicates time.
19
“A” “P” indicates time as Morning (A) Evening (P).
20
“Temp Hold” indicates temporary hold or “Hold” indicates
hold mode.
Figure 5. Thermostat display, buttons, and switches
2
1
3
4
5
6
7
8
18
9
10
11
12
13
14
15
17
16
19
20
Figure 3. Thermostat display, buttons and switches
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